I think you've outlined a pretty good understanding of the basic differences.
Regardless of your 'indigent' status, it would be a wise decision to involve a tax attorney in your decisions, as this person will probably save you substantially in the long run. As a corp. of any kind having an attorney/tax pro in your corner, is practically essentially to ensure you are compliant with and protected from the IRS, and other unsavory character's like them. Since I've starting using one, my books, my taxes, my reporting requirements, my refunds, everything has been far superior then his cost. It's almost a no brainer to me.
Think long and hard about going without.
What do other real estate agents do to set up their own firms?
Here's a brief primer on the various Delaware Incorporations from delaware intercorp...who I used to incorporate my LLC:
https://www.delawareintercorp.com/orderform.htm
-bear